FR2346290B1 - - Google Patents
Info
- Publication number
- FR2346290B1 FR2346290B1 FR7709943A FR7709943A FR2346290B1 FR 2346290 B1 FR2346290 B1 FR 2346290B1 FR 7709943 A FR7709943 A FR 7709943A FR 7709943 A FR7709943 A FR 7709943A FR 2346290 B1 FR2346290 B1 FR 2346290B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D7/00—Carbonates of sodium, potassium or alkali metals in general
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/02—Preparation of sulfur; Purification
- C01B17/06—Preparation of sulfur; Purification from non-gaseous sulfides or materials containing such sulfides, e.g. ores
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S423/00—Chemistry of inorganic compounds
- Y10S423/03—Papermaking liquor
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Treating Waste Gases (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/673,226 US4083930A (en) | 1976-04-02 | 1976-04-02 | Method of treating alkali metal sulfide and carbonate mixtures |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2346290A1 FR2346290A1 (fr) | 1977-10-28 |
FR2346290B1 true FR2346290B1 (de) | 1982-12-10 |
Family
ID=24701776
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7709943A Granted FR2346290A1 (fr) | 1976-04-02 | 1977-04-01 | Procede de traitement d'un melange de carbonate et de sulfure alcalins |
Country Status (8)
Country | Link |
---|---|
US (1) | US4083930A (de) |
JP (1) | JPS6047201B2 (de) |
BE (1) | BE852972A (de) |
CA (1) | CA1078581A (de) |
DE (1) | DE2714907A1 (de) |
ES (1) | ES457494A1 (de) |
FR (1) | FR2346290A1 (de) |
GB (1) | GB1577201A (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1108356A (en) * | 1976-09-15 | 1981-09-08 | Robert D. Rennick | Method of treating an alkali metal sulfide liquor |
FI54946C (fi) * | 1977-09-05 | 1979-04-10 | Tampella Oy Ab | Saett och anordning foer aotervinning av natriumkemikalier fraon groenlut samt roekgaser |
US4241041A (en) * | 1979-01-22 | 1980-12-23 | Mei Systems Inc. | Methods for the recovery of sulfur components from flue gas and recycle sodium sulfite by reduction-smelting and carbonating to strip hydrogen sulfide |
EP1690827A1 (de) * | 2005-02-11 | 2006-08-16 | Nederlandse Organisatie voor toegepast-natuurwetenschappelijk Onderzoek TNO | Verfahren und Vorrichtung zur Rückgewinnung von Schwefelwasserstoffen |
US20080141591A1 (en) * | 2006-12-19 | 2008-06-19 | Simulent Inc. | Gasification of sulfur-containing carbonaceous fuels |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2675297A (en) * | 1954-04-13 | Solution phase process of convert | ||
US2496550A (en) * | 1950-02-07 | Methods of recovering chemicals in | ||
DE897647C (de) * | 1950-06-07 | 1953-11-23 | Rayonier Inc | Verfahren zur Rueckgewinnung der Chemikalien aus Zellstoffablaugen |
US2656245A (en) * | 1950-07-15 | 1953-10-20 | Rayonier Inc | Preparation of sodium salts of carbonic acid by ion exchange |
US2841561A (en) * | 1954-03-12 | 1958-07-01 | Rayonier Inc | Recovery of chemicals from smelt solutions |
US2864669A (en) * | 1954-11-01 | 1958-12-16 | Stora Kopparbergs Bergslags Ab | Method for recovering sulfur and alkali from waste liquors |
US2800388A (en) * | 1955-07-14 | 1957-07-23 | Stora Kopparbergs Bergslags Ab | Recovery of alkali and sulphur from waste lyes in the manufacture of cellulose with alkali sulphite and alkali bisulphite |
US3331732A (en) * | 1962-12-17 | 1967-07-18 | Mo Och Domsjoe Ab | Method of removing hydrogen sulfide from an aqueous solution of alkali sulfide |
US3210235A (en) * | 1963-04-08 | 1965-10-05 | Scott Paper Co | Pulping of cellulose materials in the presence of free sulfur in a kraft pulping system and cyclic liquor recovery therefor |
DE1692877C3 (de) * | 1965-11-24 | 1975-10-02 | Oy Tampella Ab, Tampere (Finnland) | Verfahren und Vorrichtung zum Aufarbeiten von wässrigen Sulfidlösungen, insbesondere von bei der alkalischen Sulfatcellulose-Gewinnung anfallenden natriumsulfidhaltigen Grünlaugen |
FR1528174A (fr) * | 1966-05-25 | 1968-06-07 | Tampella Oy Ab | Obtention de carbonate de sodium à partir des lessives de traitement de la cellulose |
DE1692878C3 (de) * | 1966-05-25 | 1974-04-04 | Oy Tampella Ab, Heinola (Finnland) | Verfahren/um Auskristallisieren von Alkali als Karbonat aus der bei der Zellstoffablaugen-Aufarbeitung anfallenden Schmelz lösung |
DE1934308A1 (de) * | 1969-07-07 | 1971-02-11 | Kloeckner Humboldt Deutz Ag | Verfahren zur Verwertung von Sodaschlacke |
US3826710A (en) * | 1972-04-21 | 1974-07-30 | Owens Illinois Inc | Carbonation system for recovery of sodium base pulping liquor |
-
1976
- 1976-04-02 US US05/673,226 patent/US4083930A/en not_active Expired - Lifetime
-
1977
- 1977-03-01 CA CA272,880A patent/CA1078581A/en not_active Expired
- 1977-03-29 BE BE176190A patent/BE852972A/xx not_active IP Right Cessation
- 1977-03-31 GB GB13697/77A patent/GB1577201A/en not_active Expired
- 1977-04-01 FR FR7709943A patent/FR2346290A1/fr active Granted
- 1977-04-01 JP JP52037439A patent/JPS6047201B2/ja not_active Expired
- 1977-04-02 ES ES457494A patent/ES457494A1/es not_active Expired
- 1977-04-02 DE DE19772714907 patent/DE2714907A1/de not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
US4083930A (en) | 1978-04-11 |
CA1078581A (en) | 1980-06-03 |
GB1577201A (en) | 1980-10-22 |
DE2714907A1 (de) | 1977-10-20 |
JPS6047201B2 (ja) | 1985-10-21 |
FR2346290A1 (fr) | 1977-10-28 |
BE852972A (fr) | 1977-07-18 |
ES457494A1 (es) | 1978-08-16 |
JPS52125496A (en) | 1977-10-21 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |